Took out divide by zeros used to generate nans/infs to mark invalid  array elements.
Took out divide by zeros used to generate nans/infs to mark invalid 
array elements.


krrepo/scipy-cluster,deads/scipy-cluster,LogicalKnight/scipy-cluster,ozcanesen/scipy-cluster,deads/scipy-cluster,ozcanesen/scipy-cluster,tectronics/scipy-cluster,krrepo/scipy-cluster,deads/scipy-cluster,tectronics/scipy-cluster,tectronics/scipy-cluster,deads/scipy-cluster,LogicalKnight/scipy-cluster,LogicalKnight/scipy-cluster,ozcanesen/scipy-cluster,LogicalKnight/scipy-cluster,krrepo/scipy-cluster,ozcanesen/scipy-cluster,tectronics/scipy-cluster,krrepo/scipy-cluster